Question

Probably the GREATEST reason native-born Americans in the first half of the 19th century opposed the immigration of

Answer 1

D) refused to be a part of new cultures.

Answer 2

The answer you are looking for is A.

Probably the GREATEST reason native-born Americans in the first half of the 19th century opposed the immigration of
the Irish to America was that the Irish practiced Catholicism.

I hope this answer helps. Have a great day. :)